7272795771 has 6 divisors (see below), whose sum is σ = 10505149460. Its totient is φ = 4848530508.

The previous prime is 7272795743. The next prime is 7272795781. The reversal of 7272795771 is 1775972727.

It is not a de Polignac number, because 7272795771 - 2⁷ = 7272795643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7272795781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 404044201 + ... + 404044218.

Almost surely, 2^7272795771 is an apocalyptic number.

7272795771 is a deficient number, since it is larger than the sum of its proper divisors (3232353689).

7272795771 is a wasteful number, since it uses less digits than its factorization.

7272795771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808088425 (or 808088422 counting only the distinct ones).

The product of its digits is 3025260, while the sum is 54.

The square root of 7272795771 is about 85280.6881480209. The cubic root of 7272795771 is about 1937.4646949432.

The spelling of 7272795771 in words is "seven billion, two hundred seventy-two million, seven hundred ninety-five thousand, seven hundred seventy-one".